/*
 * EBCDIC/ASCII conversion Support
 *
 * Copyright (c) 2011 Alexander Graf
 * Copyright IBM, Corp. 2013
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or (at your
 * option) any later version.  See the COPYING file in the top-level directory.
 *
 */

#ifndef EBCDIC_H
#define EBCDIC_H

/* EBCDIC handling */
static const uint8_t ebcdic2ascii[] = {
    0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
    0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
    0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
    0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
    0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
    0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
    0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
    0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
    0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
    0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
    0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
    0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
    0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
    0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
    0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
    0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
    0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
    0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
    0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
    0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
    0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
    0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
    0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
    0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
    0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
    0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
    0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
    0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
    0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
};

static const uint8_t ascii2ebcdic[] = {
    0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
    0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
    0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
    0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
    0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
    0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
    0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
    0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
    0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
    0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
    0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
    0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
    0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
    0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
    0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
    0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
    0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
};

static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
{
    int i;

    for (i = 0; i < len; i++) {
        p[i] = ascii2ebcdic[(uint8_t)ascii[i]];
    }
}

static inline void ascii_put(uint8_t *p, const char *ebcdic, int len)
{
    int i;

    for (i = 0; i < len; i++) {
        p[i] = ebcdic2ascii[(uint8_t)ebcdic[i]];
    }
}

#endif /* EBCDIC_H */
